1.11月底“青岛号”在北太平洋行驶途中,遇到热带风暴。当热带风暴中心位于其正北方向时,该海域盛行
A.东北风 | B.西北风 | C.东南风 | D.西南风 |
A.自东12区向东越过了日界线 | B.自西12区向东越过了日界线 |
C.自东12区向西越过了日界线 | D.自西12区向西越过了日界线 |
同类型试题
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2